2 x - 5 y = 18 / * 4
3 x + 4 y = 4 / * 5 ( we will use the addition method )
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8 x - 20 y = 72
+
15 x + 20 y = 20
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23 x = 92
x = 92 : 23
x = 4
8 - 5 y = 18
- 5 y = 18 - 8
- 5 y = 10
y = 10 : ( - 5 )
y = - 2
Answer:
( x, y ) = ( 4, - 2 )
Answer:
b
Step-by-step explanation:
Answer:
f^-1 (x) = 3x+15
Step-by-step explanation:
No, Incorrect.
2 x 2 x 2 x 2 = 16
Hope this helps!
Answer:
It is the one you selected
C
Step-by-step explanation:
To convert this into a fraction, you would have to move the "3" to the fraction. But the position of the "3" would ALWAYS be below the number which in this case would be "7" so it would be x ^ 7/3
plz brainliest :'D
